CVE-2021-44215:CFEngine Enterprise 3.15.4 Insecure Permissions Vulnerability

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CVE-2021-44215 affects Northern.tech CFEngine Enterprise 3.15.4 before version 3.15.5. The vulnerability involves insecure permissions that could potentially allow unauthorized local users to gain unintended access to the system with unspecified impact. This is classified as a CWE-276 (Incorrect Default Permissions) vulnerability.

Overview

This vulnerability exists in CFEngine Enterprise 3.15.4 and earlier versions, where insecure permissions are set on certain files or directories. The vulnerability could allow local users without proper authorization to access sensitive resources or potentially execute commands with elevated privileges. The exact attack vectors and potential impact are not fully specified in the CVE details, but the vulnerability relates to incorrect permission settings that could compromise system security. As this is categorized as CWE-276, it likely involves files or directories being created with permissions that are too permissive by default.

Remediation

To address this vulnerability, users should upgrade CFEngine Enterprise to version 3.15.5 or later, which contains the necessary security fixes. System administrators should:

  1. Check the current version of CFEngine Enterprise in use
  2. Plan and execute an upgrade to version 3.15.5 or later
  3. After upgrading, verify that the permissions on critical system files and directories are properly set
  4. Review system logs for any signs of exploitation
  5. Consider implementing the principle of least privilege across all systems to minimize the impact of similar vulnerabilities

References

  1. Official vendor advisory: https://cfengine.com/blog/2022/cve-2021-44215-and-cve-2021-44216/
  2. Vendor website: https://northern.tech
  3. CWE-276: Incorrect Default Permissions: https://cwe.mitre.org/data/definitions/276.html

Industry ExposureMost to least
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.

  1. Accommodation & Food Services
    Accommodation & Food Services
  2. Administrative, Support, Waste Management & Remediation Services
    Administrative, Support, Waste Management & Remediation Services
  3. Agriculture, Forestry Fishing & Hunting
    Agriculture, Forestry Fishing & Hunting
  4. Arts, Entertainment & Recreation
    Arts, Entertainment & Recreation
  5. Construction
    Construction
  6. Educational Services
    Educational Services
  7. Finance and Insurance
    Finance and Insurance
  8. Health Care & Social Assistance
    Health Care & Social Assistance
  9. Information
    Information
  10. Management of Companies & Enterprises
    Management of Companies & Enterprises
  11. Manufacturing
    Manufacturing
  12. Mining
    Mining
  13. Other Services (except Public Administration)
    Other Services (except Public Administration)
  14. Professional, Scientific, & Technical Services
    Professional, Scientific, & Technical Services
  15. Public Administration
    Public Administration
  16. Real Estate Rental & Leasing
    Real Estate Rental & Leasing
  17. Retail Trade
    Retail Trade
  18. Transportation & Warehousing
    Transportation & Warehousing
  19. Utilities
    Utilities
  20. Wholesale Trade
    Wholesale Trade

Focus on What Matters

  1. See Everything.
  2. Identify True Risk.
  3. Proactively Mitigate Threats.

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